TRI State Stone Co.
Building Materials & Building Supplies
- Address
- 8200 Seven Locks Rd, Bethesda, MD, 20817
- Phone
- 240-669-2443
About
Tri State Stone Co. has been family owned and operated since 1926. The quarries flagship product is Carderock Stone. This beautiful building stone is a mica-schist quartzite, with horizontal and vertical cleavage making it easy to work into numerous installation styles.
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